And they've prevented hundreds of millions of people from going with a different OS, thus eliminating potential threats.
This way we would've had competition on the desktop and in the browser market way before Android and iOS started appearing on tablets.
"Once the world's second-largest Linux distributor, Red Flag Software has shuttered reportedly due to mismanagement and after owing employees months in unpaid wages.
China's state-funded answer to global software giants like Microsoft, the Chinese company filed for liquidation over the weekend..." (2014)
http://www.zdnet.com/article/chinas-home-grown-linux-os-shut...